Prosecutor Carla Harris said police were called to deal with a domestic incident at 7.45pm on June 17.

Miss Harris said: “The police spoke to a woman and could smell a strong odour of cannabis vegetation. As they looked around the rear garden they could see an extractor hose through a ground floor window and thick sheeting over the windows.

Samuel Yu was caught growing cannabis at home (Image: Getty)

“The woman explained her partner (the defendant) had run off. He was responsible for the flat downstairs. Shortly after he came back and he allowed police access to the flat. Officers found eight cannabis plants.”

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But Yu agreed it was ‘unacceptable behaviour’. He added: “I do smoke cannabis and have done for a long time. Because of the poor quality and the risk involved from buying drugs on the street I did for the first time grow it myself. I will never take that risk again. I do have a full-time job and I have put that at risk.”

As well as the fine, Yu was ordered to pay £135 costs and a £30 surcharge.

Magistrate Vicky Botham told Yu: “Production of cannabis is quite serious. It was for you to use yourself. You did not do a good job of growing it so I would give it up as a bad job. It was still a high yield.”